Dear Maxim,

After installed version 4.0.2. Unfortunately, it is still showing the the same 
error when access from other machine. I have tested the code running on the 
same machine but same error shows up.

I have tried to modify the OM’s header.content.security.policy but without any 
luck.

May I know if other things that I can do? Thanks

Best Regards,
James





> On 26 Dec 2017, at 5:12 PM, Maxim Solodovnik <solomax...@gmail.com> wrote:
> 
> https://builds.apache.org/view/M-R/view/OpenMeetings/job/OpenMeetings%204.0.x/
>  
> <https://builds.apache.org/view/M-R/view/OpenMeetings/job/OpenMeetings%204.0.x/>
> 
> WBR, Maxim
> (from mobile, sorry for the typos)
> 
> On Tue, Dec 26, 2017, 16:10 James Chan <yue.c...@gmail.com 
> <mailto:yue.c...@gmail.com>> wrote:
> Thanks Maxim,
> 
> As we need the fixed version 4.0.2 for integration. May I know if you can 
> send me the links to download the unreleased 4.0.2? Thanks
> 
> Best Regards,
> James
> 
> 
>> On 26 Dec 2017, at 4:40 PM, Maxim Solodovnik <solomax...@gmail.com 
>> <mailto:solomax...@gmail.com>> wrote:
>> 
>> https://issues.apache.org/jira/browse/OPENMEETINGS-1805 
>> <https://issues.apache.org/jira/browse/OPENMEETINGS-1805>
>> 
>> On Tue, Dec 26, 2017 at 2:22 PM, Maxim Solodovnik <solomax...@gmail.com 
>> <mailto:solomax...@gmail.com>> wrote:
>> Thanks for your example, just have tried it
>> 
>> According to my tests
>> 1) REST API request is successfully processed on OM server (according to 
>> logs) without any OM configuration modifications
>> 2) the error you are seeing: "No 'Access-Control-Allow-Origin' header is 
>> present on the requested resource" is browser restriction [1]
>> 
>> According to this [2] article, some modification of java code might help
>> Will try it and write back ...
>> 
>> [1] 
>> https://stackoverflow.com/questions/20035101/why-does-my-javascript-get-a-no-access-control-allow-origin-header-is-present
>>  
>> <https://stackoverflow.com/questions/20035101/why-does-my-javascript-get-a-no-access-control-allow-origin-header-is-present>
>> [2] 
>> https://www.codeschool.com/discuss/t/how-to-solve-no-access-control-allow-origin-header-is-present-on-the-requested-resource-origin-null-is-therefore-not-allowed-access-in-angular-js/28989/12
>>  
>> <https://www.codeschool.com/discuss/t/how-to-solve-no-access-control-allow-origin-header-is-present-on-the-requested-resource-origin-null-is-therefore-not-allowed-access-in-angular-js/28989/12>
>> 
>> On Tue, Dec 26, 2017 at 1:51 PM, James Chan <yue.c...@gmail.com 
>> <mailto:yue.c...@gmail.com>> wrote:
>> Dear Maxim,
>> 
>> What I did is following the example:
>> 
>> 
>> The openMeetings is installed on a linux server with ip address: 
>> 192.168.128.38
>> 
>>      $('#div1').click(function () {
>>                 $.ajax({
>>                     method: "GET",
>>                     url: 
>> "http://192.168.128.38:5080/openmeetings/services/user/login 
>> <http://192.168.128.38:5080/openmeetings/services/user/login>",
>>                     data: {user: 'gaoshusheng', pass: '$Admin123'},
>>                     dataType: "json",
>>                     success: function(data){
>>                         alert('success!');
>>                     },
>>                     error:function(jqXHR, textStatus, errorThrown){
>>                         alert('error!');
>>                     }
>>                 });
>>             });
>> 
>> After running these line of code on the browser.
>> 
>> the script jump to: alert('error!’);
>> 
>> Although from the debug browser reply, we can see the ID is already replied 
>> with status “success”. But because the error, we are unable to continue with 
>> the functions.
>> 
>> The error shows:
>>> XMLHttpRequest cannot load 
>>> http://localhost:5080/openmeetings/services/user/login?user=gaoshusheng&pass=%24Admin123
>>>  
>>> <http://localhost:5080/openmeetings/services/user/login?user=gaoshusheng&pass=%24Admin123>.
>>>  No 'Access-Control-Allow-Origin' header is present on the requested 
>>> resource. Origin 'http://localhost:9090 <http://localhost:9090/>' is 
>>> therefore not allowed access.
>> 
>> 
>> 
>> Best regards,
>> James
>> 
>> 
>>> On 26 Dec 2017, at 12:29 PM, Maxim Solodovnik <solomax...@gmail.com 
>>> <mailto:solomax...@gmail.com>> wrote:
>>> 
>>> I'm afraid I need something I can run and test ...
>>> Maybe you can send the link to example github project? 
>>> 
>>> On Tue, Dec 26, 2017 at 10:43 AM, James Chan <yue.c...@gmail.com 
>>> <mailto:yue.c...@gmail.com>> wrote:
>>> Dear Maxim,
>>> 
>>> 
>>> The error shows:
>>> 
>>> XMLHttpRequest cannot load 
>>> http://localhost:5080/openmeetings/services/user/login?user=gaoshusheng&pass=%24Admin123
>>>  
>>> <http://localhost:5080/openmeetings/services/user/login?user=gaoshusheng&pass=%24Admin123>.
>>>  No 'Access-Control-Allow-Origin' header is present on the requested 
>>> resource. Origin 'http://localhost:9090 <http://localhost:9090/>' is 
>>> therefore not allowed access.
>>> 
>>> 
>>> Best Regards,
>>> James
>>> 
>>>> On 26 Dec 2017, at 10:36 AM, Maxim Solodovnik <solomax...@gmail.com 
>>>> <mailto:solomax...@gmail.com>> wrote:
>>>> 
>>>> Any additional error details?
>>>> 
>>>> On Tue, Dec 26, 2017 at 8:38 AM, Yue Chan <yue.c...@gmail.com 
>>>> <mailto:yue.c...@gmail.com>> wrote:
>>>> Dear Maxim,
>>>> 
>>>> I have followed your instruction to set the parameters. However, the error 
>>>> still exists. The jQuery call still jump to error. Is there other things 
>>>> that I should do?
>>>> 
>>>> Thanks and best regards,
>>>> 
>>>> James. 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On 23 Dec 2017 6:08 pm, "Maxim Solodovnik" <solomax...@gmail.com 
>>>> <mailto:solomax...@gmail.com>> wrote:
>>>> I'm here to help ;)
>>>> 
>>>> WBR, Maxim
>>>> (from mobile, sorry for the typos)
>>>> 
>>>> On Sat, Dec 23, 2017, 17:06 James Chan <yue.c...@gmail.com 
>>>> <mailto:yue.c...@gmail.com>> wrote:
>>>> Hi Maxim,
>>>> 
>>>> Thanks for the feedback.
>>>> 
>>>> 
>>>> Best regards,
>>>> 
>>>> James
>>>> 
>>>> 
>>>> 
>>>>> On 20 Dec 2017, at 7:01 PM, Maxim Solodovnik <solomax...@gmail.com 
>>>>> <mailto:solomax...@gmail.com>> wrote:
>>>>> 
>>>>> Hello James,
>>>>> 
>>>>> Please do not write personal emails (subscribe to user@ list 
>>>>> http://openmeetings.apache.org/mail-lists.html 
>>>>> <http://openmeetings.apache.org/mail-lists.html>)
>>>>> 
>>>>> According to your question: you need to go to OM->Admin->Config
>>>>> and update "header.content.security.policy" configuration: 
>>>>> http://openmeetings.apache.org/GeneralConfiguration.html 
>>>>> <http://openmeetings.apache.org/GeneralConfiguration.html>
>>>>> 
>>>>> 
>>>>> On Wed, Dec 20, 2017 at 9:11 AM, James Chan <yue.c...@gmail.com 
>>>>> <mailto:yue.c...@gmail.com>> wrote:
>>>>> Dear Maxim,
>>>>> 
>>>>> I am trying to write a simple application, which having the following 
>>>>> code:
>>>>> 
>>>>> Environment:
>>>>> 
>>>>> openmeetings version 4.0.1 running on linux in another server.
>>>>> $.ajax({
>>>>>     method: "GET",
>>>>>     url: 'http://192.168.128.38:5080/openmeetings/services/user/login 
>>>>> <http://192.168.128.38:5080/openmeetings/services/user/login>',
>>>>>     data:{
>>>>>         user:’TestAccount',
>>>>>         pass:’@TestingPass'
>>>>>     },
>>>>>     dataType:'json',
>>>>>     success:function (data) {
>>>>>         alert('success');
>>>>>     },
>>>>>     error:function (d) {
>>>>>         console.log(d);
>>>>>         alert(d);
>>>>>     }
>>>>> });
>>>>> However, it is having the cross domain error.
>>>>> 
>>>>> Could you please help to give me some pointers as I have been trying to 
>>>>> search the web but with no luck.
>>>>> (Some suggest using allow-access-control-origin = ‘*’, does it mean I 
>>>>> need to modify the openmeetings code?)
>>>>> 
>>>>> 
>>>>> 
>>>>> Thanks
>>>>> 
>>>>> James
>>>>> 
>>>>> 
>>>>> 
>>>>> -- 
>>>>> WBR
>>>>> Maxim aka solomax
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> -- 
>>>> WBR
>>>> Maxim aka solomax
>>> 
>>> 
>>> 
>>> 
>>> -- 
>>> WBR
>>> Maxim aka solomax
>> 
>> 
>> 
>> 
>> -- 
>> WBR
>> Maxim aka solomax
>> 
>> 
>> 
>> -- 
>> WBR
>> Maxim aka solomax
> 

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